HOT STOCK TRACTOR
CLASS: 11,000 lbs.
NOTE: SKID BARS ARE REQUIRED FOR THE 2011 SEASON
Tractors must be stock block agricultural tractors. Engine must be original type
or factory replacement for make and model. OEM stock type head for that
model or series of engine. OEM stock type intake for that
series engine. Tractors are allowed to run a tube type header exhaust. Alterations for mounting of fuel pump allowed.
Tractors are allowed to use Electric Fuel pumps.
All turbochargers must be under hood. Original style grill and hoods must be in
place. All wheels must be in place. All tractors must have fenders in place. All
tractors must have rear wheel brakes in working condition. All exhaust must
discharge upward with a minimum pipe length of 18 from the hood line. Gas
powered tractors must use only one updraft carburetor. No fuel injection on gas
All tractors must
use fuel that engine was designed for.
All chassis components must be steel, NO ALUMINUM CHASSIS PARTS (i.e. rear
housing, final drive housings, transmission, frame rails)
NO ALCOHOL, NO PROPANE, NO NITROUS OXIDE
Fuel system allowed will be an A pump with 1 plunger per cylinder.
All tractors must be equipped with a 3 way dump valve valve must be
installed ahead of the injection pump.
Intercoolers / Aftercoolers
and water injection allowed
All fans must be shrouded 360 Degrees with minimum 1/16 steel. Electric fans
Maximum engine displacement of 540 cubic inches.
All tractors will be required to have:
The use of torque converters, automatic shifts, etc. will be permitted on
original factory equipment for that make and model.
Centrifugal style slipper clutches allowed.
Tractors Limited to 24.5x32. Cut Tires.
Turbocharger: Maximum of one turbocharger with a maximum measurement of 3 at
the intake wheel and 3" at the exhaust wheel. 3 X 3 small base
turbochargers only. No
welding or altering turbo base to accommodate smaller bolt pattern on a larger
bolt pattern turbo. Alterations for mounting of turbo allowed.
Any tractor with a plastic or fiberglass hood must have the turbocharger
shielded by .060 steel.
All drawbars are to be stationary in all directions. Maximum height of drawbar
to be 20. Length of drawbar to be no less than 18 from center of rear
axle. Drawbar must be equipped with a steel-hitching device 1, thick, with a
3 diameter hole. Cross sectional thickness must be 7/8 minimum. Pulling
point may not be more than 1 Ό from the back edge of the hitching device.
PTPA suggests fastening hitching device with one 7/8 or two 5/8 grade
5 or higher bolt(s). No top bracing except for complete factory setup. No
quick hitch type adapters allowed on tractors.
No portion of tractor or ballast may interfere with sled or hitching device
No weight frame or weights may extend more than 24 beyond the most
forward point of the tractor. All weight frames and weights must be stationary
and safely secured to tractor, and must not extend beyond rear tires. No weights
may be located in a position that could hinder safe operation of the tractor, or
endanger the driver. No ballast on tractor seat or deck. No weights may exceed
in width 12 beyond the tires. No weights or brackets to be any closer than
8 to draw bar hook point. Any ballast lost during a pull will justify
All tractors must have stabilizer bars to be constructed as follows: Pads on
bottom of bars to be a minimum of 5 square. Pads to be a minimum of 32
rearward from the center of the axle housing. Pads to be a maximum of 10 off
the ground. Outside width of pads to be a minimum of 20. Minimum of 12
high bumper bar to be fastened to stabilizer bar. Do not connect hitch and
stabilizer bars. Bars must be able to support the weight of the tractor in the
heaviest class entered.
All tractors must be equipped with a safety kill switch.
Diesel tractors must have a working air shutoff.
Any tractor with an electric fuel pump, the kill switch must be tied to
the air shut off. The shut off must be within reach when the driver is wearing
their seat belt or harness. The air
shutoff cable must have a minimum 2 diameter solid ring with a minimum 1/8
cross section thickness attached to it which must be unobstructed and easily
hooked from sled. Kill switch must also be able to be operated manually by the
operator from the seat of the tractor while wearing their safety harness.
SKID BARS REQUIRED. FOR SKID BAR EXAMPLES: GO TO EAST COAST PULLERS
All tractors must be equipped with a deadman throttle.
All tractors must be equipped with a working/charged 2.5 lb. fire extinguisher.
All tractors must be equipped with a seatbelt, and must be worn during the pull.
Contestants must be 18 or at least 16 years of age with parents or guardians
All tractors must be teched / inspected before being allowed to pull.
Top three tractors from each class subject to reinspection following completion
Weight class 11,000 lbs.